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1,000 Mile questions...

1433 Views 10 Replies 7 Participants Last post by  Crash
Ok, I've officially driven 1,000 miles since I got my '85 a number of months ago. As some of you may know, I had a dog of a time with my head gasket. Well, I have a few questions now.

1: Under heavy accelerating circumstances (Drag racing) I hear a whistling sound, kinda like a turbo sound, but quieter. I heard it could be tranny whistling, I thought intake. Out of curiosity, what is that?

2: Occasionally the temperature needle will jump all the way past hot, till the needle stops. I tap the dash, and it goes back to normal. Why?

3: Heat blows real nice when I'm moving, but when I stop it's ice cold. I have new coolant, about a 70/30 mix with water. Is that normal?

4: On the expressway tonight coming home from work, the brake light and the battery light started flickering, and then came on, and flickered again. Voltage seemed to be around 10 volts or so, lights obviously dim. When I got off the expressway, the lights (battery and brake) shut off, and voltage stayed around 10 all the way home. I did test the alternator about 2 weeks ago and the diode pattern is bad, but it pushes the right amount of amps. The battery is also going, it tested good, low charge when it was fully charged (usually indicating a bad battery on its way). I do have to replace both things, but is that normal for that light thing to happen?

I'm sure I'll have more stupid questions for you all, and I'll post them then. Thanks for all the help, I really appreciate it!

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about the temp needle, you may have a wire pinched or shorting somewhere and at times it will short shoot up and then shoot back down to normal, i haven't located the problem in my dads car, but its pissing me off, i'm about to run a wire from the damn sensor to the gauge....

usually with the heat it usually means there is some air in the system and its not completely bled out......might wanna try that....

hope it helps...
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